Amazon.com : Progo EN-EL14 Rechargeable Li-Ion Battery for Nikon D5100, D5200, D3200, D3100, P7000 DSLR Cameras, Fully Compatible! Show Battery Life on Camera, Use Same as OEM. Retail Package. : Digital Camera
Nikon D5100 Review
Amazon.com : Battery Grip Kit for Nikon D5100, D5200 Digital SLR Camera Includes Qty 2 Replacement EN-EL14 EN-EL14a Batteries + Vertical Battery Grip + More!! : Electronics
EN-EL14/EL14a Replacement Battery (2 Pack) and Smart LED Dual Charger – ENEGON
Nikon D5100 DSLR Camera Body, Black {16.2MP} at KEH Camera
Andoer Vertical Battery Grip Holder for Nikon D5100 D5200 DSLR Camera EN-EL 14 Battery Powered with IR Remote Control
Nikon D5100 announced and previewed: Digital Photography Review